[gtk+] gdk: Fix GdkDevice::tool-changed signal marshaller

[Matthias Clasen <matthiasc src gnome org>]

commit 7e11fcaa184cd1d7f5dafb4415496e6a95a65966
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Aug 4 18:40:57 2016 +0200

    gdk: Fix GdkDevice::tool-changed signal marshaller
    
    GdkDeviceTool is an object, not a boxed type.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=770026

 gdk/gdkdevice.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkdevice.c b/gdk/gdkdevice.c
index d406eaf..92222cc 100644
--- a/gdk/gdkdevice.c
+++ b/gdk/gdkdevice.c
@@ -367,7 +367,7 @@ gdk_device_class_init (GdkDeviceClass *klass)
                   G_TYPE_FROM_CLASS (object_class),
                   G_SIGNAL_RUN_LAST,
                   0, NULL, NULL,
-                  g_cclosure_marshal_VOID__BOXED,
+                  g_cclosure_marshal_VOID__OBJECT,
                   G_TYPE_NONE, 1, GDK_TYPE_DEVICE_TOOL);
 }